DK437577A - Optisk tegngenkendelsesanlaeg - Google Patents

Optisk tegngenkendelsesanlaeg

Info

Publication number
DK437577A
DK437577A DK437577A DK437577A DK437577A DK 437577 A DK437577 A DK 437577A DK 437577 A DK437577 A DK 437577A DK 437577 A DK437577 A DK 437577A DK 437577 A DK437577 A DK 437577A
Authority
DK
Denmark
Prior art keywords
recognition system
optical drawing
drawing recognition
optical
recognition
Prior art date
Application number
DK437577A
Other languages
English (en)
Inventor
L D Mcwaters
H B Parekh
Original Assignee
Recognition Equipment Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Recognition Equipment Inc filed Critical Recognition Equipment Inc
Publication of DK437577A publication Critical patent/DK437577A/da

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10881Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character recognition
    • G06V30/14Image acquisition
    • G06V30/142Image acquisition using hand-held instruments; Constructional details of the instruments
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00Other aspects
    • G06K2207/1018Source control

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Character Input (AREA)
  • Character Discrimination (AREA)
  • Image Analysis (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Eye Examination Apparatus (AREA)
  • Facsimile Heads (AREA)
DK437577A 1976-10-04 1977-10-03 Optisk tegngenkendelsesanlaeg DK437577A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/729,530 US4118687A (en) 1976-10-04 1976-10-04 Portable OCR system
US05/729,531 US4072859A (en) 1976-10-04 1976-10-04 Wand turn-on control

Publications (1)

Publication Number Publication Date
DK437577A true DK437577A (da) 1978-04-05

Family

ID=27111906

Family Applications (1)

Application Number Title Priority Date Filing Date
DK437577A DK437577A (da) 1976-10-04 1977-10-03 Optisk tegngenkendelsesanlaeg

Country Status (11)

Country Link
US (2) US4072859A (da)
JP (1) JPS60709B2 (da)
CA (2) CA1093694A (da)
DE (1) DE2744612A1 (da)
DK (1) DK437577A (da)
FR (1) FR2366637A1 (da)
GB (1) GB1582020A (da)
IT (1) IT1112104B (da)
NL (1) NL7710878A (da)
NO (1) NO773359L (da)
SE (1) SE7711042L (da)

Families Citing this family (117)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2817341C2 (de) * 1978-04-20 1984-01-19 Computer Gesellschaft Konstanz Mbh, 7750 Konstanz Optisches Handlesegerät für die maschinelle Zeichenerkennung
US4160156A (en) * 1978-05-04 1979-07-03 Msi Data Corporation Method and apparatus for reading bar coded data wherein the light source is periodically energized
US4251798A (en) * 1978-05-31 1981-02-17 Symbol Technologies Portable laser scanning arrangement for and method of evaluating and validating bar code symbols
US4240064A (en) * 1978-09-11 1980-12-16 Ncr Corporation Power limiting circuit for bar code reader
JPS55127675A (en) * 1979-03-23 1980-10-02 Ricoh Co Ltd Manual scanner
US4282425A (en) * 1979-07-25 1981-08-04 Norand Corporation Instant portable bar code reader
US4277689A (en) * 1979-12-12 1981-07-07 Key Tronic Corporation Document reader
US4293927A (en) * 1979-12-12 1981-10-06 Casio Computer Co., Ltd. Power consumption control system for electronic digital data processing devices
US4387297B1 (en) * 1980-02-29 1995-09-12 Symbol Technologies Inc Portable laser scanning system and scanning methods
US4377741A (en) * 1980-06-26 1983-03-22 The Brekka Corporation Apparatus for producing updated information on a tangible medium
FR2490848B1 (fr) * 1980-09-22 1986-08-29 Dassault Electronique Appareil de saisie d'informations issues de la lecture d'une inscription en code a barres
US4457016A (en) * 1980-10-10 1984-06-26 Datafile Limited File label reading system
US4385361A (en) * 1980-11-25 1983-05-24 The Rust Engineering Company Graphics produced by optically scanning a design model
US4386433A (en) * 1981-03-24 1983-05-31 Recognition Equipment Inc. Character doubling eliminator
DE3147225A1 (de) * 1981-11-12 1983-05-26 Scantron GmbH & Co Elektronische Lesegeräte KG, 6000 Frankfurt Verfahren und vorrichtung zum lesen von kontrastierenden zeichen
US5187355A (en) * 1981-12-28 1993-02-16 Norand Corporation Instant portable bar code reader
US6234395B1 (en) 1981-12-28 2001-05-22 Intermec Ip Corp. Instant portable bar code reader
US5144119A (en) * 1981-12-28 1992-09-01 Norand Corporation Instant portable bar code reader
US4570057A (en) * 1981-12-28 1986-02-11 Norand Corporation Instant portable bar code reader
US5095197A (en) * 1981-12-28 1992-03-10 Norand Corporation Instant portable bar code reader
US5258606A (en) * 1981-12-28 1993-11-02 Norand Corporation Instant portable bar code reader
US5021642A (en) * 1981-12-28 1991-06-04 Norand Corporation Instant portable bar code reader
US5218191A (en) * 1981-12-28 1993-06-08 Norand Corporation Instant portable bar code reader
US5144121A (en) * 1981-12-28 1992-09-01 Norand Corporation Instant portable bar code reader
US5081343A (en) * 1981-12-28 1992-01-14 Norand Corporation Instant portable bar code reader
US4894523A (en) * 1981-12-28 1990-01-16 Norand Corporation Instant portable bar code reader
US5187356A (en) * 1981-12-28 1993-02-16 Norand Corporation Instant portable bar code reader
US5288985A (en) * 1981-12-28 1994-02-22 Norand Corporation Instant portable bar code reader
US5992750A (en) * 1981-12-28 1999-11-30 Intermec Ip Corp. Instant portable bar code reader
US4766300A (en) * 1984-08-06 1988-08-23 Norand Corporation Instant portable bar code reader
US5262628A (en) * 1982-01-25 1993-11-16 Symbol Technologies, Inc. Narrow-bodied, single- and twin-windowed portable laser scanning head for reading bar code symbols
US4673805A (en) * 1982-01-25 1987-06-16 Symbol Technologies, Inc. Narrow-bodied, single- and twin-windowed portable scanning head for reading bar code symbols
US5130520A (en) * 1982-01-25 1992-07-14 Symbol Technologies, Inc. Narrow-bodied, single- and twin-windowed portable laser scanning head for reading bar code symbols
US5278487A (en) * 1988-03-15 1994-01-11 Norand Corporation Battery conditioning system having communication with battery parameter memory means in conjunction with battery conditioning
US5619117A (en) * 1982-06-07 1997-04-08 Norand Corporation Battery pack having memory
US5986435A (en) * 1982-06-07 1999-11-16 Intermec Ip Corp. Method of utilizing a battery powered system having two processors
JPS61500935A (ja) * 1984-01-09 1986-05-08 ザ ドウ ラ リユ カンパニ− パブリツク リミテイド カンパニ− 不正な筆記の検出
US4521678A (en) * 1984-01-13 1985-06-04 Databar Corporation Battery-powered optical bar code reader and voltage regulator therefor
US6075340A (en) 1985-11-12 2000-06-13 Intermec Ip Corp. Battery pack having memory
DE3424162C2 (de) * 1984-06-30 1987-01-08 Heinz Georg Hünibach Thun Baus Vorrichtung zur Informationsausgabe
EP0367298B1 (en) * 1985-02-28 1992-07-22 Symbol Technologies, Inc. Portable laser diode scanning head
US5023922A (en) * 1985-06-07 1991-06-11 Soricon Corporation Optical character reader
US4809351A (en) * 1985-06-07 1989-02-28 Saba Technologies, Inc. Optical character reader
US4820911A (en) * 1986-07-11 1989-04-11 Photographic Sciences Corporation Apparatus for scanning and reading bar codes
US5969321A (en) * 1986-08-08 1999-10-19 Norand Corporation Hand-held optically readable information set reader with operation over a range of distances
US6149062A (en) * 1988-01-14 2000-11-21 Intermec Ip Corp. Interface with hand-held data capture terminal, proximity and label sensing, and enhanced sensitivity and power efficiency
US4901364A (en) * 1986-09-26 1990-02-13 Everex Ti Corporation Interactive optical scanner system
US4949391A (en) * 1986-09-26 1990-08-14 Everex Ti Corporation Adaptive image acquisition system
US5059778A (en) * 1986-09-29 1991-10-22 Mars Incorporated Portable data scanner apparatus
US6271643B1 (en) 1986-12-18 2001-08-07 Intermec Ip Corp. Battery pack having memory
JPS63217491A (ja) * 1987-03-05 1988-09-09 Sumitomo Electric Ind Ltd 光学読取装置
JPS63266961A (ja) * 1987-04-23 1988-11-04 Alps Electric Co Ltd イメ−ジスキヤナ
US4882629A (en) * 1987-05-08 1989-11-21 Everex Ti Corporation Adaptive exposure control system
US4918297A (en) * 1988-01-08 1990-04-17 Tokyo Electric Co., Ltd. Optical image reading device
US5486944A (en) * 1989-10-30 1996-01-23 Symbol Technologies, Inc. Scanner module for symbol scanning system
CA2012794A1 (en) * 1989-05-01 1990-11-01 Bish Siemiatkowski Laser scanning system for reading bar codes
US5484992A (en) * 1990-09-17 1996-01-16 Metrologic Instruments, Inc. Automatic hand-supportable laser scanner with flickering laser scanning beam to improve visibility thereof and beam-symbol alignment during bar code symbol presence detection
US6182898B1 (en) 1993-11-24 2001-02-06 Metrologic Instruments, Inc. Bar code scanner with intuitive head aiming and collimated scan volume
US5260553A (en) * 1990-09-17 1993-11-09 Metrologic Instruments, Inc. Automatic hand-supportable laser bar code symbol scanner and method of reading bar code symbols using the same
US6607133B2 (en) 1990-09-10 2003-08-19 Metrologic Instruments, Inc. Automatically-activated hand-supportable laser scanning bar code symbol reading system with data transmission activation switch
US5756982A (en) 1990-09-11 1998-05-26 Metrologic Instruments, Inc. Body-wearable automatic laser scanner with power-conserving control subsystem
US6257492B1 (en) 1990-09-10 2001-07-10 Peter Bressler Combination hand-held and counter-top omni-directional scanner
US5340973A (en) * 1990-09-17 1994-08-23 Metrologic Instruments, Inc. Automatic laser scanning system and method of reading bar code symbols using same
US5796091A (en) * 1993-11-24 1998-08-18 Metrologic Instruments, Inc. Automatic hand-supportable omnidirectional laser projection scanner with handle-controllable projection axis
US5616908A (en) 1991-09-17 1997-04-01 Metrologic Instruments, Inc. Automatic countertop laser scanner with flickering laser scanner beam for improved visibility thereof during bar code symbol reading
US5844227A (en) * 1993-11-24 1998-12-01 Metrologic Instruments, Inc. Automatic hand-supportable omnidirectional laser projection scanner with scan-head directed projection axis for intuitive hand-supported omnidirectional scanning of bar code symbols within a narrowly confined scanning volume extending thereabout
US6651890B2 (en) 1990-09-10 2003-11-25 Sung Ho Byun Combination hand-held and counter-top omnidirectional scanner
US5340971A (en) * 1990-09-17 1994-08-23 Metrologic Instruments, Inc. Automatic bar code reading system having selectable long range and short range modes of operation
US6286760B1 (en) 1994-08-17 2001-09-11 Metrologic Instruments, Inc. Automatic hand-supportable laser projection scanner for omni-directional reading of bar code symbols within a narrowly confined scanning volume
US5942743A (en) * 1994-08-17 1999-08-24 Metrologic Instruments, Inc. Portable automatic hand-supportable omnidirectional laser projection scanner with power conserving control system
US6283375B1 (en) 1990-09-10 2001-09-04 Metrologic Instruments, Inc. Automatically-activated hand-supportable laser scanning bar code symbol reading system with data transmission activation switch
US7156310B2 (en) * 1990-09-17 2007-01-02 Metrologic Instruments, Inc. Automatically-activated hand-supportable laser scanning bar code symbol reading system with data transmission activation switch
US6328211B1 (en) 1990-09-17 2001-12-11 Metrologic Instruments, Inc. Automatic hand-supportable laser bar code symbol scanner and method of reading bar code symbols using the same
US7077327B1 (en) * 1990-09-17 2006-07-18 Metrologic Instruments, Inc. System for reading bar code symbols using bar code readers having RF signal transmission links with base stations
US5313642A (en) * 1990-10-03 1994-05-17 Seagull Scientific Systems, Inc. Power interface for peripheral devices
US5212370A (en) * 1990-11-20 1993-05-18 Ncr Corporation Apparatus and method for extending laser life by discontinuous operation
US5138459A (en) 1990-11-20 1992-08-11 Personal Computer Cameras, Inc. Electronic still video camera with direct personal computer (pc) compatible digital format output
US5237161A (en) * 1991-06-05 1993-08-17 Psc, Inc. System for automatically reading symbols, such as bar codes, on objects which are placed in the detection zone of a symbol reading unit, such as a bar code scanner
AU1550992A (en) * 1991-03-04 1992-10-06 Megatrend Telecommunications Mobile telephone, system and method
JP2818052B2 (ja) * 1991-05-21 1998-10-30 シャープ株式会社 光学的文字読み取り装置
US5260554A (en) * 1991-06-05 1993-11-09 Psc, Inc. System for automatically reading symbols, such as bar codes, on objects which are placed in the detection zone of a symbol reading unit, such as a bar code scanner
US5883375A (en) * 1991-09-17 1999-03-16 Metrologic Instruments, Inc. Bar code symbol scanner having fixed and hand-held modes
US5308962A (en) * 1991-11-01 1994-05-03 Welch Allyn, Inc. Reduced power scanner for reading indicia
US5315097A (en) * 1991-11-29 1994-05-24 Ncr Corporation Method and apparatus for operating a triggerless hand-held optical scanner
US5281800A (en) * 1991-12-23 1994-01-25 Hand Held Products, Inc. Method and apparatus for low power optical sensing and decoding of data
US5392447A (en) * 1992-01-10 1995-02-21 Eastman Kodak Compay Image-based electronic pocket organizer with integral scanning unit
US6189793B1 (en) * 1992-06-12 2001-02-20 Metrologic Instruments, Inc. Automatic laser projection scanner with improved activation controlling mechanism
JP3083918B2 (ja) * 1992-06-26 2000-09-04 本田技研工業株式会社 画像処理装置
US5371687A (en) * 1992-11-20 1994-12-06 Boehringer Mannheim Corporation Glucose test data acquisition and management system
US5331173A (en) * 1992-12-24 1994-07-19 Pitney Bowes Inc. System and method for indicating the location of a benchmark
US6604684B1 (en) 1993-11-24 2003-08-12 Metrologic Instruments Inc. Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume
US6860427B1 (en) 1993-11-24 2005-03-01 Metrologic Instruments, Inc. Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume
US6866196B1 (en) 1994-05-25 2005-03-15 Spencer A. Rathus Method and apparatus for accessing electronic data via a familiar printed medium
US8910876B2 (en) 1994-05-25 2014-12-16 Marshall Feature Recognition, Llc Method and apparatus for accessing electronic data via a familiar printed medium
US8261993B2 (en) 1994-05-25 2012-09-11 Marshall Feature Recognition, Llc Method and apparatus for accessing electronic data via a familiar printed medium
US7712668B2 (en) 1994-05-25 2010-05-11 Marshall Feature Recognition, Llc Method and apparatus for accessing electronic data via a familiar printed medium
JP3096949B2 (ja) * 1994-08-12 2000-10-10 アルプス電気株式会社 光学読取装置
US5577100A (en) * 1995-01-30 1996-11-19 Telemac Cellular Corporation Mobile phone with internal accounting
USD378519S (en) * 1996-03-25 1997-03-18 Hand Held Products, Inc. Base unit for optical reader
USD377790S (en) * 1996-03-25 1997-02-04 Hand Held Products, Inc. Combination of base units for optical readers
US6976626B2 (en) * 1997-09-16 2005-12-20 Metrologic Instruments, Inc. Wireless bar code symbol driven portable data terminal (PDT) system adapted for single handed operation
US7111786B2 (en) * 1998-12-03 2006-09-26 Metrologic Instruments, Inc. Automatically-activated wireless hand-supportable laser scanning bar code symbol reading system with data transmission activation switch and automatic communication range dependent control
ATE336047T1 (de) * 1998-12-03 2006-09-15 Metrologic Instr Inc Automatisch aktivierter, tragbarer laser- strichkodeabtaster mit datenübertragungsvorrichtung
US7097105B2 (en) * 1998-12-03 2006-08-29 Metrologic Instruments, Inc. Automatically-activated hand-supportable omni-directional laser scanning bar code symbol reader having a user-selectable linear scanning menu-reading mode supported by a stroboscopically-pulsed omni-directional laser scanning pattern for improved bar code symbol navigation and alignment during menu-reading operations
JP2000293795A (ja) 1999-04-05 2000-10-20 Honda Motor Co Ltd 共用車両の入出庫管理装置
JP2000320210A (ja) 1999-05-07 2000-11-21 Honda Motor Co Ltd 車両及び車両の返却回収制御装置
US6850898B1 (en) 1999-07-07 2005-02-01 The Regents Of The University Of California Vehicle sharing system and method for allocating vehicles based on state of charge
US6947881B1 (en) 1999-07-07 2005-09-20 Honda Giken Kogyo Kabushiki Kaisha Shared vehicle system and method with vehicle relocation
US6941197B1 (en) 1999-07-07 2005-09-06 The Regents Of The University Of California Vehicle sharing system and method with vehicle parameter tracking
US7181409B1 (en) 1999-07-07 2007-02-20 The Regents Of The University Of California Shared vehicle system and method involving reserving vehicles with highest states of charge
US6975997B1 (en) 1999-07-07 2005-12-13 Honda Giken Kogyo Kabushiki Kaisha Method for efficient vehicle allocation in vehicle sharing system
US6850153B1 (en) 1999-07-07 2005-02-01 The Regents Of The University Of California Vehicle sharing system and method for controlling or securing vehicle access and/or enablement
US6307349B1 (en) 2000-02-24 2001-10-23 Intermec Ip Corp. Battery pack having memory
DE10031388A1 (de) 2000-07-03 2002-01-17 Bundesdruckerei Gmbh Handsensor für die Echtheitserkennung von Signets auf Dokumenten
EP1609011B1 (en) * 2003-04-02 2019-03-13 Oracle America, Inc. Optical communication between face-to-face semiconductor chips
US20050157955A1 (en) * 2004-01-15 2005-07-21 Hitachi Global Storage Technologies Self-contained OCR system using hard disk drive
CN102999180B (zh) * 2011-09-15 2016-04-20 汉王科技股份有限公司 一种扫描笔及其扫描方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3156894A (en) * 1960-12-29 1964-11-10 Ibm Visual character inspection system
GB1290252A (da) * 1970-03-26 1972-09-27
US3744025A (en) * 1971-02-25 1973-07-03 I Bilgutay Optical character reading system and bar code font therefor
US3971917A (en) * 1971-08-27 1976-07-27 Maddox James A Labels and label readers
US3991299A (en) * 1972-02-03 1976-11-09 Norand Corporation Bar code scanner
DE2214358C2 (de) * 1972-03-24 1983-11-24 Duro-Test Corp., North Bergen, N.J. Verfahren zur Herstellung einer Glühwendel für elektrische Lampen
US3918028A (en) * 1973-01-05 1975-11-04 Data Source Corp Hand held optical reader
DE2416788A1 (de) 1973-04-18 1974-10-31 Ibm Verfahren und anordnung fuer die formatsteuerung fuer durch aufzeichnungstraeger gesteuerte maschinen
US3932840A (en) * 1973-10-15 1976-01-13 Taplin Business Machines Incorporated Error detection and sequence maintaining system for bar-code readers
US3970846A (en) * 1973-10-29 1976-07-20 Xenex Corporation Presence detecting system with self-checking
US3946241A (en) * 1973-11-26 1976-03-23 Pyrotector, Incorporated Light detector with pulsed light source and synchronous data gating
US3976973A (en) * 1974-01-07 1976-08-24 Recognition Equipment Incorporated Horizontal scan vertical simulation character reading
SE391820B (sv) * 1974-09-26 1977-02-28 Almex Ab Anordning for automatisk passagerarrekning
NL169693C (nl) * 1974-10-09 1982-08-16 Nederlanden Staat Detectie-inrichting.

Also Published As

Publication number Publication date
NL7710878A (nl) 1978-04-06
NO773359L (no) 1978-04-05
GB1582020A (en) 1980-12-31
JPS60709B2 (ja) 1985-01-09
JPS5348624A (en) 1978-05-02
SE7711042L (sv) 1978-04-05
US4072859A (en) 1978-02-07
CA1093694A (en) 1981-01-13
FR2366637A1 (fr) 1978-04-28
CA1104258A (en) 1981-06-30
US4118687A (en) 1978-10-03
FR2366637B1 (da) 1981-06-12
DE2744612A1 (de) 1978-04-06
IT1112104B (it) 1986-01-13

Similar Documents

Publication Publication Date Title
DK437577A (da) Optisk tegngenkendelsesanlaeg
NL7710705A (nl) Optisch symboolherkenningssysteem.
SE7705837L (sv) Optisk partikelreknare
DD134000A5 (de) Vergroesserndes optisches system
IT1077491B (it) Percettore ottico di posizione
SE424476B (sv) Optisk metronom
SE7806162L (sv) Optiskt system
SE415212B (sv) Optisk anordning
AT347716B (de) Optisches system
NL186541C (nl) Optisch stelsel.
NL7809382A (nl) Optisch stelsel.
AT364984B (de) Optisches system
NL7712007A (nl) Optisch stelsel.
DK575977A (da) Optisk tegnenkendelsesanlaeg med haandlaeser
SE7707154L (sv) Optisk metronom
AT351829B (de) Optisches system
NO149712C (no) Optisk system
SE425579B (sv) Optiskt system
NL7705045A (nl) Optisch systeem.
SE418993B (sv) Optiskt system
NL190294C (nl) Optisch aftaststelsel.
AT346102B (de) Pankratisches objektiv
AT340698B (de) Optisches system
AT356414B (de) Optisches system
SE7612697L (sv) Optiskt telekommunikationssystem